Dethatcher/Overseeder - Gandy
Dethatcher/OverseederOperation &Maintenance ManualFor units built after January 1, 20122848D12 Dethatcher2848SS Seeder and Disk AssemblyGandy Company528 Gandrud RoadOwatonna, MN 55060Telephone: 507-451-5430Fax: 507-451-2857Website: www.gandy.netJanuary 1, 20122848D12 Dethatcher/Overseeder ManualPrinted in the USA800-443-2476 USA800-597-4263 CanadaEmail: custsrv@gandy.net
IntroductionThank you for purchasing the Gandy Dethatcher/Overseeder. You will like its precise metering foreven seed distribution and its pneumatic tires that make it easier to trail without damage.Before operation thoroughly read and understand this entire manual.Pay attention to the safety information listed below.Completely familiarize yourself with all controls mechanisms for this unit.We at Gandy want to be sure you obtain the most satisfactory performance possible with yourDethatcher/Overseeder. If you have any problems or questions, or if we can assist you in any way,please see your dealer or call us at 1-800-443-2476.Safety Information1. Keep all guards in place.Moving parts, especially tractor power take-offs, are extremely dangerous.2. Keep hands, feet and loose clothing away from moving parts.3. Do not let others near equipment while it is in operation.4. Never permit riding on the Dethatcher/Overseeder while in transport or operation.5. Before servicing unit:Park on level surface.Put tractor in park.Turn off engine and remove key.Disconnect PTO.6. All operators must use their best judgment and follow safe operating practices when using thisunit. Be extremely cautious when working on hills and uneven terrain.7. Failure to safely use and or follow all safety instructions could result in damage to unit or seriousinjury or even death.1
Table of ContentsSectionDethatcher 7Overseeder PackageSeeder Hopper AssemblySeeder and Disk ional Roller AttachmentAssemblyOperation1818Optional Brush attachmentAssemblyOperation1919Trouble Shooting20Specifications21Note:All photos and drawing in this manual are for illustrative purposes only. In somedrawings the guards and other parts have been removed to show a particular detail.Never operate this unit without guards in place.The manufacturer of this equipment reserves the right to make changes or improvementsto this product without notice or obligation in respect to previously manufactured products.2
Dethatcher PackagePre-operationBefore operation, check all lubrication points.1) The gear box has been filled at the factory with approximately 18 oz. of SAE 90 E.P. gear lube.The gear box is full when the oil level is up to the bottom of the filler plug hole. (See Diagram #1)Remove the filler plug at the rear of the gear box and check for proper level before operating.2) Lubricate all grease fittings prior to first use and periodically after that.There are six grease fittings on the 2848D12 dethatcher. (See Diagram #2)There are two grease fittings on the optional 2848SS hopper disc attachment. (See Diagram #3)There are six grease fittings on the optional 2895 roller attachment. (See Diagram #3)3) Check the chain drive periodically to maintain proper adjustment.Apply a thread locker (blue) to set screws on chain drive sprocket, drive shaft sprockets and chaincoupler sprockets. (See Diagram #4)4) Check all tires for proper air pressure.Fill tires to the recommended pressure stated on tires.Diagram #1Diagram #2Diagram #3Diagram #43
Dethatcher PackagePre-Operation (continued)Tractor Hook-UpThe unit is designed for attachment to Category I tractors with at least 18 horsepower with a540-rpm PTO. In some cases small tractors may need weight added to the frond end to promotesafe operation when lifting the Dethatcher/Overseeder. Hook the PTO after attaching the threepoint hitch.Dethatcher Depth AdjustmentTo adjust turnbuckle (see diagram below) loosen locking nut and turn counter-clockwise toincrease the depth of cutting action, or clockwise to make it shallower. Tighten locking nutwhen finished to lock depth height in place.Note: That as the rear wheels are raised by moving the turnbuckle, the blades are set deeper.TravelFor convenience keep the unit in a raised position on the tree-point hitch while traveling toand from the work site.4
Dethatcher PackageOperation1) Engage PTO to put the cutter blades in motion.2) Begin forward travel and then lower the unit completely down.FOR BEST OPERATION:It is better to have slower ground speed and faster engine RPM, than it is to have a faster groundspeed with lower engine RPM.It is strongly recommended that you test the depth at which the cutter blades are set on a small patchof ground, before starting full operation.Adjust the turnbuckle as necessary for desired results.WARNING:The PTO is equipped with a slip clutch.If a foreign object becomes stuck in the dethatcher, STOP AND DISENGAGE THE PTO.Park on level surface.Put tractor in park.Turn off engine and remove key.Remove the object.Be careful as the cutter blades are sharp and object may have sharp edges.IMPORTANT:For proper operation and to prevent further damage, inspect the blades for damage and replace ifnecessary.5
Dethatcher PackageMaintenanceChain DriveThe chain is exceptionally rugged and durable.If the chain needs to be removed or replaced:1. Disconnect the PTO shaft.Park on level surface.Put tractor in park.Turn off engine and Remove key.2. Remove rear tire.Disassemble the wheel adjustment arm from the wheel lift arm and pivot the wheel lift armout of the way. (See diagram below)4. Remove the three guards as shown.5. Loosen the chain tightener tensioner.Disconnect the chain connector link from each chain and remove the two roller chains.In some cases, the bearing bolts securing the chain drive shaft may have to be removed inorder to lower the shaft, providing enough slack to remove chain connector links.Chain tightener idler pulley may need to be removed if added slack is needed to remove theconnector links.6. Replace chain and reverse the above steps to reassemble.6
Dethatcher PackageMaintenance (cont.)Cutter Blade ReplacementThe cutter blades are heat-treated, spring steel. There are two circular blades in alternating order.If they need to be replaced:1. Disconnect the PTO shaft and detach unit from the tractor.Disconnect and remove the PTO shaft from the dethatcher.Disconnect the hopper extension handle from the hopper.2. Remove the chain as instructed in the previous section.3. Remove the spring pin from the castellated nut on the end opposite the drive sprockets.Loosen castellated nut, but do not remove.4. The cutter blade assembly is held in place by two carriage bolts on each on the 3 flangebearings, these will have to be removed.CAUTION: The blades are sharp and must be handled with care to prevent injury.5. Remove blades and spacers as needed. For replacement parts see Parts & Packing Listshipped with unit or view online at www.gandy.net.IMPORTANT:Cutter blades are mounted in alternating order.Remove and replace in same alternating order to maintain proper blade performance.One blade has a 3/16 diameter hole for reference.Keep track of where spacers go so they can be reassembled in the same order.6. Reverse the above steps to reassemble the blades and chain drive.NOTE:The flange bearings are installed with the 3/16 diameter holes towards (into) the dethatcher deck.7
Overseeder PackageSeeder Hopper Assembly – 2848SS and 2848SA1. Install left and right upper fenders (Figure 7), using three 3/8" x 3/4" carriage bolts and whizflange nuts along the seam and two 3/8" x 3/4" carriage bolts and whiz flange nuts in theforward and rear flanges. Leave bolts loose.2. Assemble chain tightener, drive bearings, lower sprocket and chain. (Figure 8).Figure 7Figure 88
Overseeder PackageSeeder Hopper Assembly-2848SS and 2848SA (cont.)3. Tighten chain to proper tension by lifting on the bearing shaft and tightening bearing shaft bolts.Install chain guard (Figure 9).4. Install seed hopper in slots on fenders (Figure 10) and tighten all bolts on fenders that were leftloose in Step #1.Figure 9Figure 109
Overseeder PackageSeeder Hopper Assembly-2848SS and 2848SA (cont.)WARNING: Check hopper for any foreign objects, and make sure that the rotor turns freelybefore mounting and before any operation. Any obstruction could damage rotor blades.5. Place hopper sprocket on the rotor bar and secure in place using 1/4" x 1/4" square head setscrew. (Figure 11)6. Install the drive chain. Tighten chain with roller assembly. (Figure 12)Figure 11Figure 1210
Overseeder Package2848SS Seeder and Disc Assembly1. Assemble disc adjustment stabilizers on each side of disc assembly (Figure 13). Thread two locknuts onto 1/2” x 8” bolt approximately 1-1/2” from end of rod. Slide on lower stabilizer block.Thread lower lock nut loosely onto end of bolt. Over upper end of bolt, slide SAE washer,spring, SAE washer, upper stabilizer block and then thread upper lock nut over upper end.Pressure may be increased by threading third lock nut from lower end further onto rod.2. Attach disc adjustment arm to right side of unit using 3/8” x 1-1/4” bolt, wrought washer,bushing, and secure in place with 3/8” lock washer and nut. (Figure 14) Attach bushing to lowerend of disc adjustment arm using 1/2” x 2-1/4” bolt, through 1/2" wrought washer, bushing andthrough slot in frame and thread into tapped hole in arm. Secure in place by 1/2" lock jam nut.Mount disc assembly, using 1/4" x 1-3/4” clevis pin and 3/32” x 3/4" cotter pins on each end.Attach disc stabilizer blocks (Figure 14) to forward hole of main frame on left side by using 1/2"SAE washer and one 5/32” x 1” cotter pin. Adjust and lock nuts on adjusting bolts so that thedisc assembly is allowed to travel freely in cutter slits.3. Attach turnbuckle using 1/2" x 2-1/4” bolts and securing in place with 1/2" nut.Attach lower rod end to upper hole in upper fender and secure with 1/2" lock washer and nut.Attach lower rod end to upper hole in disc adjustment arm, secure in place with 1/2" lock washerand nut.Figure 13Figure 1411
Overseeder Package2848SS Seeder and Disc Assembly (cont.)4. Install material feed tubes (Figure 15). It is recommended that the disc end be installed firstby spiraling it into the fitting and securing it in the holder with a 1/4" x 3/4" bolt and 1/4"whiz flange nut.5. Check alignment of discs and tubes for desired placement of seed within slit. The entire seedtube plate can be adjusted closer to or further away from the disc, by loosening the nine boltsmarked in Figure 16. Adjustment may be necessary with a variance in seed size.The angling feature shown in Figure 18A (page 14) will create a larger slit to accommodate alarger seed. Placement of the seed tube too close to the disc may result in seed bouncing offthe disc and missing the slit; too far, and it will place the seed along side of the slit.6. The discs can be aligned with the knife blades by adjusting the inner disc adjustment nuts.See Figure 20 on page 20.7. Attach hopper handle (Figure 17).Figure 16Figure 15Figure 1712
Overseeder PackageOperation1. Check hopper for any foreign objects to make sure the rotor bar is free to turn.Check tires on dethatcher deck.2. Check the rate according to the charts for seed type, and set the cam gauge on hopper bottom forthe desired rate. All rates are calibrated for 1,000 square feet at 2.5 mph.When setting the gauge, use the top surface of the stop as the indicator to tell where the gauge is set.NOTE: Always move the gauge away from the stop before attempting to set the gauge.See next section for recommended testing procedures.3. Make sure the hopper slide is closed and fill the hopper with seed.4. To prevent possible damage to turf, it is necessary to first engage PTO to put theDethatcher/Overseeder mechanisms in motion. Then, after beginning forward movement with thetractor, lower the unit and open hopper slide to start dispensing seed.A TEST RUN IS RECOMMENDED TO CHECK FOR PROPER SEED PLACEMENT5. After operation, it is recommended that the rotor in the hopper be removed and cleaned of allfines. See maintenance section.6. Overseeder disc assembly down pressure rods and springs (Figure 18A): This feature adds theability to provide greater down pressure on the disc gang section to hold the disc at the bottom ofthe slit permitting more seed to enter the slit.7. Disc section angle adjustment (Fig. 18A): This turnbuckle adjustment can angle the gang sectionto various degrees creating a wider slit if desired. The wider slit can accommodate larger seedsor a higher percentage of seedFigure 18A13
Overseeder PackageTesting the RateIt is strongly recommended that you test the seed rate on a small patch of ground before you beginfull operation. The rate chart will serve only as a guide, because atmospheric conditions alone, canaffect the flow of materials.Rates are expressed in terms of pounds applied per thousand square feet. Check the rate as follows:Pan Method1. Remove the drop tubes from the down spouts by loosening the hose clamps.2. Suspend a calibration or catch pan below the spouts.3. Travel a known area, such as 1,000 square feet.4. Weigh contents of calibration pan and adjust setting up or down as necessary and check rateagain.Known-Volume Method1. Completely fill the hopper with a known volume of material.2. Treat a known area, such as 1,000 square feet.3. Weigh enough material to more than refill the hopper to the original level.4. Refill the hopper to the original level and weigh the remaining material to calculate how muchwas applied.5. Adjust gauge as necessary and retest.14
Overseeder PackageCalibration of Hopper1. Determine speedFeet88179264352440528per minute equals 1 mphper minute equals 2 mphper minute equals 3 mphper minute equals 4 mphper minute equals 5 mphper minute equals 6 mph2. Set GaugeRefer to rate charts accompanying this manual.Remember the setting in the charts are starting guides.You should check your rate with the procedures outlined previously.You can fine-tune the gauge with extreme precision. The first half of the gauge is marked withincrements of one. (Second half has increments of five). If you tune to a tenth of one gauge stop,setting at 27.8, instead of 27.7, the slide will open approximately one thousandth of an inch more.Such positive movement is possible, because the gauge is attached directly to the slide.There is no linkage slack.15
Overseeder PackageMaintenanceCleaning the Hopper1. Loosen six latches that secure bottom and slide to hopper.2. Loosen wing nuts on bearing retainers and remove bottom.3. Remove rotor and clean. It may be necessary to oil rotor bearings to prevent material fines fromworking into them.4. Some materials may build up on the hopper bottom, especially under humid conditions.If necessary, remove slide from hopper for cleaning by loosening the four nuts, nylon washersand slide hanger.IMPORTANT:To obtain proper slide tension, when reassembling slide onto bottom, gently drive the hanger to theright (Fig. 19) using a screwdriver against the tab at the left end of the hanger. When the end of thehanger lines up with the scribed line on the hopper bottom, slide tension is correct, and the bottom isready for re-installation.Figure 1916
Overseeder PackageMaintenance (cont.)Disc Opener and Bearing Replacement1. Park on level surface.Put tractor in park.Turn off engine and remove key.Be careful as the disc blades are sharp and possible injury could occur if mishandled.2. Remove bearing bolts on each end and center bearing nut. (Figure 20)Disc assembly will drop out of housing.CAUTION: Discs are sharp and possible injury could occur if mishandled.3. Remove cotter pin and castellated nut from end of disc shaft. (Figure 20)4. Remove end bearing.5. Remove nuts, spacers and discs, as necessary from disc shaft. Maintain the order as originallyassembled. When reassembling maintain proper order. Make sure the spring-loaded discscrapers are in their proper position as the disc assembly is replaced into the housing.6. Note: By adjusting the inner nuts on the disc shaft the discs can be precisely aligned with thecutter blades.Drop Tube Replacement1. Loosen hose clamp on top of drop tube and detach tube from spout.2. Loosen bolt holding bottom of drop tube. Twist tube free.3. Replace by reversing procedure.Figure 2017
2895 Roller Attachment (Optional)Assembly1. Attach the two end brackets (2895-2) of the roller assembly to the rear hole of the tab on thedethatcher deck using hardware provided (Figure 26).2. Attach the two roller adjusting rods loosely to the inside of the center hole of each end bracketusing 1/2" x 1” bolt, lock washer and hex nut. Attach the upper end of the adjustment rod to thetabs on the rear of the upper fenders using 1/2" x 1-1/4” bolt, lock washer, and hex nut.3. The three roller assemblies are mounted to the roller cross bar as shown inOperationTo decrease or increase pressure of rollers, lengthen or shorten adjusting rod. This should bedone when adjusting depth of cutter knives.Figure 2618
2897 Brush Attachment (Optional)Assembly1. Attach the two end brackets (2897-2) of the brush assembly to the rear of the tab on thedethatcher deck using hardware provided (Figure 27).2. Attach the two brush adjusting rods (2895-1) loosely to the inside of the center hole of each endbracket using 1/2" x 1” bolt, lock washer, and hex nut. Attach the upper end of the adjustmentrod to the tabs on the rear of the upper fenders using 3/8” x 1” bolt, lock washer, and hex nut.3. The brush assembly is attached to the end brackets with the slotted bar strap (2897-3) at theforward hole on the brush assembly. A down-pressure spring is assembled in the rear hole on thebrush assembly held in place by an eye bolt assembled through the rear hole in each end bracket(2897-2). Be sure to assemble in the following order: locking collar, spring, washer, eye bolt,washer, and second locking collar.OperationGreater downpressure can be created by adjusting the spring tension between the locking collars.Bristles of brush may be flat to ground or may be angled by adjusting height in strap or by adjustinglocking collars of downpressure springs.NOTE: If downpressure is too harsh, the downpressure springs may be removed (leave rods inplace), so the bristles float to lightly brush the ground surface.Figure 2719
Trouble ShootingProblemUnit will not slice groundSolutionA. If unit equipped with rollers,1. Loosen spring tension on roller.2. Shorten up the rod side braces.B. If too much spring tension on sides, loosen spring tensionto allow movement of opening unit.C. Check center link of 3-pt hitch holding up rear of unit andreadjust if necessary.D. Check depth adjustment turnbuckle and adjust for desired depth.No seed in slitMore angle on disc assembly will create a wider slit.A. Check to see that openers are correctly aligned with slit.B. Check to see that seed tube is correctly oriented to disc bysliding the seed tube plate either closer to or further from disc(Watch to see that seed drops onto the disc).C. Check to see if seed tubes have plugged. If seed tubes are toolong cut shorter. If operating under muddy conditions, watch forbuildup of mud in tube. Clear obstruction.D. Check for foreign material in hopper and remove or clean sometering apertures are not obstructed. Use only clean material.E. Check for rotation of internal rotor. Realign or tighten chain orreplace pin if broken.20
SpecificationsDethatcherModel: 2848D12SpecificationsFrameHitchPTODriveGear BoxBladesBlade ShaftBearingsTiresDepth AdjustmentOverall WidthWeightSteel Plate, 7 Gauge, 3/16-inchSelf-leveling, 3-point Category 1540-RPM with Slip Clutch for 18-HP Tractor and upPTO to Gear Box to #50 O-Ring Chain to Blade ShaftRight Angle 1 to 2 Ratio24 Blades Spaced 2-inches apart: anneal Spring Steel, Heat-Treated,14 Gau
The entire seed tube plate can be adjusted closer to or further away from the disc, by loosening the nine bolts marked in Figure 16. Adjustment may be necessary with a variance in seed size. The angling feature shown in Figure 18A (page 14) will create a larger slit to accommodate a
20” walk-behind overseeder with Disc (2820SS) Gandy Company 528 Gandrud Road, Owatonna, MN 55060 Ph: 800/443-2476; 507/451-5430 Fax: 507/451-2857 Email: custsrv@gandy.net Web site: www.gandy.net 1 Table of Contents Introduction General Information / Safety Features Getting Started Turning & Maneuvering Dual Wheel Option Operation / Calibration Maintenance Trouble Shooting Specifications .
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Texas Commissioner of Insurance Date: 01/21/2021 Matthew Martin Gandy 1605 Judson Road, Suite C Longview, Texas 75601-3664 Default Order SOAH Docket No. 454-21-0677 TDI Enforcement File No. 22341 General remarks and official action taken: This is a default order taken against Matthew Martin Gandy (Respondent) because he
GANDY CONNECTIONS Fort Victoria 1862 Compiled by Gerry Moore September 1997 . 1. Mary Ann Reid b. 1825, Bexley, Kent, England, occupation . iii George Albert Sims b. 1867, d. 10 August 1906, Victoria. 6 5. iv Mary Cordelia Sims b. 21 Nov 1869. 6. v Annie Georgina Sims b. 1873. 7. vi Gertrude Sims b. 1877.
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Page 1 of 11 Illustrated Parts & Packing List 815 Rice Lake Street, Owatonna, MN 55060 Phone: 800-443-2476 / 507-451-5430 www.gandy.net / Email: sales@gandy.net
that it is already provided on a double-insulated appliance. Servicing a double-insulated appliance requires extreme care and knowledge of the system, and should be performed only by qualified service personnel at an authorized Snow Joe Sun Joe dealer. Replacement parts for a double-insulated a
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